Side by side
Oak & Oscar The Humboldt GMTvsTSAO Baltimore Balt-Pilot Worldtimer Stealth Black
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
The Humboldt GMT39.5mm
Balt-Pilot Worldtimer Stealth Black40mm
Power Reserve
The Humboldt GMT56 hoursh
Balt-Pilot Worldtimer Stealth Black40h
Water Resistance
The Humboldt GMT200m
Balt-Pilot Worldtimer Stealth Black100m
MSRP
The Humboldt GMT$2,175
Balt-Pilot Worldtimer Stealth Black$725
Full specifications
Case
8 specsCategory
GMT
—
Diameter
39.5mm
40mm
Thickness
12.5mm
15mm
Lug-to-Lug
46.8mm
48mm
Material
316L Stainless Steel
Titanium
Finish
Brushed
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
White
—
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Sellita SW330-2
Seiko NH34
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,175
$725
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